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equation of motion for vibration

저작시기 2009.05 |등록일 2010.04.10 파워포인트파일MS 파워포인트 (pptx) | 15페이지 | 가격 1,000원

소개글

vibration을 해석할 수 있는 eqution소개와 그 해법에 관한 발표자료

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본문내용

Basic equation
-This is the general equation of motion about vibration.
-This basic equation describe motion of vibration about time.(eg. second or minute and so on…)
-We can induce this equation to other equations for convenient type.
Categorization of equations
free
forced
undamped
damped
undamped
damped
Various type of equations
Undamped free vibration
Damped free vibration
Undamped forced vibration
Damped forced vibration
How apply the equations to solve the problems?
-The constant is called the circular frequency or natural frequency
Undamped free vibration
F=W+ky
W
k
y
Undamped forced vibration
-A convenient model represents the vibrational characteristics of a system subjected to a periodic force
-This equation is referred to as a non-homogeneous second-order differential equation.
-The solution is ‘complementary solution + particular solution ‘
k
y
W=mg
N=W
kx
-Substitute particular solution for y.

참고 자료

William Thomson. Theory of Vibration with Applications.
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